0:1:0.0
1:0:0.0
1:2:0.0
2:1:0.0
2:3:0.0
3:2:0.0
3:4:0.0
4:3:0.0
4:5:0.0
5:4:0.0
5:6:0.0
6:5:0.0
6:7:0.0
7:6:0.0
7:8:0.0
8:7:0.0
8:9:0.0
9:8:0.0
9:10:0.0
10:9:0.0
10:11:0.0
11:10:0.0
11:12:0.0
12:11:0.0
12:13:0.0
13:12:0.0
13:14:0.0
14:13:0.0
14:15:0.0
15:14:0.0
